Files
navidrome-litefs/scripts/cluster_status/tests/test_nomad_client.py

133 lines
4.4 KiB
Python

import pytest
from unittest.mock import patch, MagicMock
import nomad_client
import subprocess
@patch("subprocess.run")
@patch("nomad_client.get_node_map")
def test_get_allocation_id(mock_node_map, mock_run):
"""Test getting allocation ID for a node."""
mock_node_map.return_value = {"node_id1": "node1"}
# Mock 'nomad job status navidrome-litefs' output
mock_job_status = MagicMock()
mock_job_status.stdout = """
Allocations
ID Node ID Task Group Version Desired Status Created Modified
abc12345 node_id1 navidrome 1 run running 1h ago 1h ago
"""
# Mock 'nomad alloc status abc12345' output
mock_alloc_status = MagicMock()
mock_alloc_status.stdout = "ID = abc12345-full-id"
mock_run.side_effect = [mock_job_status, mock_alloc_status]
alloc_id = nomad_client.get_allocation_id("node1", "navidrome-litefs")
assert alloc_id == "abc12345-full-id"
@patch("subprocess.run")
def test_get_logs(mock_run):
"""Test fetching logs for an allocation."""
mock_stderr = "Error: database is locked\nSome other error"
m = MagicMock()
m.stdout = mock_stderr
m.return_code = 0
mock_run.return_value = m
logs = nomad_client.get_allocation_logs("abc12345", tail=20)
assert "database is locked" in logs
# It should have tried with -task navidrome first
mock_run.assert_any_call(
["nomad", "alloc", "logs", "-stderr", "-task", "navidrome", "-n", "20", "abc12345"],
capture_output=True, text=True, check=True
)
@patch("subprocess.run")
def test_restart_allocation(mock_run):
"""Test restarting an allocation."""
m = MagicMock()
m.return_code = 0
mock_run.return_value = m
success = nomad_client.restart_allocation("abc12345")
assert success is True
mock_run.assert_called_with(
["nomad", "alloc", "restart", "abc12345"],
capture_output=True, text=True, check=True
)
@patch("subprocess.run")
def test_exec_command(mock_run):
"""Test executing a command in an allocation."""
m = MagicMock()
m.stdout = "Command output"
m.return_code = 0
mock_run.return_value = m
output = nomad_client.exec_command("abc12345", ["ls", "/data"])
assert output == "Command output"
mock_run.assert_called_with(
["nomad", "alloc", "exec", "-task", "navidrome", "abc12345", "ls", "/data"],
capture_output=True, text=True, check=True
)
@patch("subprocess.run")
def test_exec_command_failure(mock_run):
"""Test executing a command handles failure gracefully."""
mock_run.side_effect = subprocess.CalledProcessError(1, "nomad", stderr="Nomad error")
output = nomad_client.exec_command("abc12345", ["ls", "/data"])
assert "Nomad Error" in output
assert "Nomad error" not in output # The exception str might not contain stderr directly depending on python version
@patch("subprocess.run")
def test_get_node_map_failure(mock_run):
"""Test get_node_map handles failure."""
mock_run.side_effect = FileNotFoundError("No such file")
# It should not raise
node_map = nomad_client.get_node_map()
assert node_map == {}
@patch("subprocess.run")
def test_get_job_allocations(mock_run):
"""Test getting all allocations for a job with their IPs."""
# Mock 'nomad job status navidrome-litefs'
mock_job_status = MagicMock()
mock_job_status.stdout = """
Allocations
ID Node ID Node Name Status Created
abc12345 node1 host1 running 1h ago
def67890 node2 host2 running 1h ago
"""
# Mock 'nomad alloc status' for each alloc
mock_alloc1 = MagicMock()
mock_alloc1.stdout = """
ID = abc12345
Node Name = host1
Allocation Addresses:
Label Dynamic Address
*http yes 1.1.1.1:4533 -> 4533
*litefs yes 1.1.1.1:20202 -> 20202
"""
mock_alloc2 = MagicMock()
mock_alloc2.stdout = """
ID = def67890
Node Name = host2
Allocation Addresses:
Label Dynamic Address
*http yes 2.2.2.2:4533 -> 4533
*litefs yes 2.2.2.2:20202 -> 20202
"""
mock_run.side_effect = [mock_job_status, mock_alloc1, mock_alloc2]
# This should fail initially because nomad_client.get_job_allocations doesn't exist
try:
allocs = nomad_client.get_job_allocations("navidrome-litefs")
assert len(allocs) == 2
assert allocs[0]["ip"] == "1.1.1.1"
except AttributeError:
pytest.fail("nomad_client.get_job_allocations not implemented")